<span [ngClass]="classMap">
  <input type="checkbox"
         class="{{prefixCls}}-input"
         [attr.name]="name"
         [attr.value]="value"
         [checked]="checked"
         [disabled]="disabled"
  >
  <span class="{{prefixCls}}-inner"></span>
</span>
<ng-content></ng-content>
